diff options
Diffstat (limited to 'indra/media_plugins/gstreamer010/media_plugin_gstreamer010.cpp')
| -rw-r--r-- | indra/media_plugins/gstreamer010/media_plugin_gstreamer010.cpp | 1266 |
1 files changed, 0 insertions, 1266 deletions
diff --git a/indra/media_plugins/gstreamer010/media_plugin_gstreamer010.cpp b/indra/media_plugins/gstreamer010/media_plugin_gstreamer010.cpp deleted file mode 100644 index 97d1d7d7b5..0000000000 --- a/indra/media_plugins/gstreamer010/media_plugin_gstreamer010.cpp +++ /dev/null @@ -1,1266 +0,0 @@ -/** - * @file media_plugin_gstreamer010.cpp - * @brief GStreamer-0.10 plugin for LLMedia API plugin system - * - * @cond - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - * @endcond - */ - -#include "linden_common.h" - -#include "llgl.h" - -#include "llplugininstance.h" -#include "llpluginmessage.h" -#include "llpluginmessageclasses.h" -#include "media_plugin_base.h" - -#if LL_GSTREAMER010_ENABLED - -extern "C" { -#include <gst/gst.h> -} - -#include "llmediaimplgstreamer.h" -#include "llmediaimplgstreamertriviallogging.h" - -#include "llmediaimplgstreamervidplug.h" - -#include "llmediaimplgstreamer_syms.h" - -////////////////////////////////////////////////////////////////////////////// -// -class MediaPluginGStreamer010 : public MediaPluginBase -{ -public: - MediaPluginGStreamer010(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data); - ~MediaPluginGStreamer010(); - - /* virtual */ void receiveMessage(const char *message_string); - - static bool startup(); - static bool closedown(); - - gboolean processGSTEvents(GstBus *bus, - GstMessage *message); - -private: - std::string getVersion(); - bool navigateTo( const std::string urlIn ); - bool seek( double time_sec ); - bool setVolume( float volume ); - - // misc - bool pause(); - bool stop(); - bool play(double rate); - bool getTimePos(double &sec_out); - - static const double MIN_LOOP_SEC = 1.0F; - - bool mIsLooping; - - enum ECommand { - COMMAND_NONE, - COMMAND_STOP, - COMMAND_PLAY, - COMMAND_FAST_FORWARD, - COMMAND_FAST_REWIND, - COMMAND_PAUSE, - COMMAND_SEEK, - }; - ECommand mCommand; - -private: - bool unload(); - bool load(); - - bool update(int milliseconds); - void mouseDown( int x, int y ); - void mouseUp( int x, int y ); - void mouseMove( int x, int y ); - - void sizeChanged(); - - static bool mDoneInit; - - guint mBusWatchID; - - float mVolume; - - int mDepth; - - // media NATURAL size - int mNaturalWidth; - int mNaturalHeight; - // media current size - int mCurrentWidth; - int mCurrentHeight; - int mCurrentRowbytes; - // previous media size so we can detect changes - int mPreviousWidth; - int mPreviousHeight; - // desired render size from host - int mWidth; - int mHeight; - // padded texture size we need to write into - int mTextureWidth; - int mTextureHeight; - - int mTextureFormatPrimary; - int mTextureFormatType; - - bool mSeekWanted; - double mSeekDestination; - - // Very GStreamer-specific - GMainLoop *mPump; // event pump for this media - GstElement *mPlaybin; - GstElement *mVisualizer; - GstSLVideo *mVideoSink; -}; - -//static -bool MediaPluginGStreamer010::mDoneInit = false; - -MediaPluginGStreamer010::MediaPluginGStreamer010( - LLPluginInstance::sendMessageFunction host_send_func, - void *host_user_data ) : - MediaPluginBase(host_send_func, host_user_data), - mBusWatchID ( 0 ), - mCurrentRowbytes ( 4 ), - mTextureFormatPrimary ( GL_RGBA ), - mTextureFormatType ( GL_UNSIGNED_INT_8_8_8_8_REV ), - mSeekWanted(false), - mSeekDestination(0.0), - mPump ( NULL ), - mPlaybin ( NULL ), - mVisualizer ( NULL ), - mVideoSink ( NULL ), - mCommand ( COMMAND_NONE ) -{ - std::ostringstream str; - INFOMSG("MediaPluginGStreamer010 constructor - my PID=%u", U32(getpid())); -} - -/////////////////////////////////////////////////////////////////////////////// -// -//#define LL_GST_REPORT_STATE_CHANGES -#ifdef LL_GST_REPORT_STATE_CHANGES -static char* get_gst_state_name(GstState state) -{ - switch (state) { - case GST_STATE_VOID_PENDING: return "VOID_PENDING"; - case GST_STATE_NULL: return "NULL"; - case GST_STATE_READY: return "READY"; - case GST_STATE_PAUSED: return "PAUSED"; - case GST_STATE_PLAYING: return "PLAYING"; - } - return "(unknown)"; -} -#endif // LL_GST_REPORT_STATE_CHANGES - -gboolean -MediaPluginGStreamer010::processGSTEvents(GstBus *bus, - GstMessage *message) -{ - if (!message) - return TRUE; // shield against GStreamer bug - - if (GST_MESSAGE_TYPE(message) != GST_MESSAGE_STATE_CHANGED && - GST_MESSAGE_TYPE(message) != GST_MESSAGE_BUFFERING) - { - DEBUGMSG("Got GST message type: %s", - LLGST_MESSAGE_TYPE_NAME (message)); - } - else - { - // TODO: grok 'duration' message type - DEBUGMSG("Got GST message type: %s", - LLGST_MESSAGE_TYPE_NAME (message)); - } - - switch (GST_MESSAGE_TYPE (message)) { - case GST_MESSAGE_BUFFERING: { - // NEEDS GST 0.10.11+ - if (llgst_message_parse_buffering) - { - gint percent = 0; - llgst_message_parse_buffering(message, &percent); - DEBUGMSG("GST buffering: %d%%", percent); - } - break; - } - case GST_MESSAGE_STATE_CHANGED: { - GstState old_state; - GstState new_state; - GstState pending_state; - llgst_message_parse_state_changed(message, - &old_state, - &new_state, - &pending_state); -#ifdef LL_GST_REPORT_STATE_CHANGES - // not generally very useful, and rather spammy. - DEBUGMSG("state change (old,<new>,pending): %s,<%s>,%s", - get_gst_state_name(old_state), - get_gst_state_name(new_state), - get_gst_state_name(pending_state)); -#endif // LL_GST_REPORT_STATE_CHANGES - - switch (new_state) { - case GST_STATE_VOID_PENDING: - break; - case GST_STATE_NULL: - break; - case GST_STATE_READY: - setStatus(STATUS_LOADED); - break; - case GST_STATE_PAUSED: - setStatus(STATUS_PAUSED); - break; - case GST_STATE_PLAYING: - setStatus(STATUS_PLAYING); - break; - } - break; - } - case GST_MESSAGE_ERROR: { - GError *err = NULL; - gchar *debug = NULL; - - llgst_message_parse_error (message, &err, &debug); - WARNMSG("GST error: %s", err?err->message:"(unknown)"); - if (err) - g_error_free (err); - g_free (debug); - - mCommand = COMMAND_STOP; - - setStatus(STATUS_ERROR); - - break; - } - case GST_MESSAGE_INFO: { - if (llgst_message_parse_info) - { - GError *err = NULL; - gchar *debug = NULL; - - llgst_message_parse_info (message, &err, &debug); - INFOMSG("GST info: %s", err?err->message:"(unknown)"); - if (err) - g_error_free (err); - g_free (debug); - } - break; - } - case GST_MESSAGE_WARNING: { - GError *err = NULL; - gchar *debug = NULL; - - llgst_message_parse_warning (message, &err, &debug); - WARNMSG("GST warning: %s", err?err->message:"(unknown)"); - if (err) - g_error_free (err); - g_free (debug); - - break; - } - case GST_MESSAGE_EOS: - /* end-of-stream */ - DEBUGMSG("GST end-of-stream."); - if (mIsLooping) - { - DEBUGMSG("looping media..."); - double eos_pos_sec = 0.0F; - bool got_eos_position = getTimePos(eos_pos_sec); - - if (got_eos_position && eos_pos_sec < MIN_LOOP_SEC) - { - // if we know that the movie is really short, don't - // loop it else it can easily become a time-hog - // because of GStreamer spin-up overhead - DEBUGMSG("really short movie (%0.3fsec) - not gonna loop this, pausing instead.", eos_pos_sec); - // inject a COMMAND_PAUSE - mCommand = COMMAND_PAUSE; - } - else - { -#undef LLGST_LOOP_BY_SEEKING -// loop with a stop-start instead of a seek, because it actually seems rather -// faster than seeking on remote streams. -#ifdef LLGST_LOOP_BY_SEEKING - // first, try looping by an explicit rewind - bool seeksuccess = seek(0.0); - if (seeksuccess) - { - play(1.0); - } - else -#endif // LLGST_LOOP_BY_SEEKING - { // use clumsy stop-start to loop - DEBUGMSG("didn't loop by rewinding - stopping and starting instead..."); - stop(); - play(1.0); - } - } - } - else // not a looping media - { - // inject a COMMAND_STOP - mCommand = COMMAND_STOP; - } - break; - default: - /* unhandled message */ - break; - } - - /* we want to be notified again the next time there is a message - * on the bus, so return true (false means we want to stop watching - * for messages on the bus and our callback should not be called again) - */ - return TRUE; -} - -extern "C" { -gboolean -llmediaimplgstreamer_bus_callback (GstBus *bus, - GstMessage *message, - gpointer data) -{ - MediaPluginGStreamer010 *impl = (MediaPluginGStreamer010*)data; - return impl->processGSTEvents(bus, message); -} -} // extern "C" - - - -bool -MediaPluginGStreamer010::navigateTo ( const std::string urlIn ) -{ - if (!mDoneInit) - return false; // error - - setStatus(STATUS_LOADING); - - DEBUGMSG("Setting media URI: %s", urlIn.c_str()); - - mSeekWanted = false; - - if (NULL == mPump || - NULL == mPlaybin) - { - setStatus(STATUS_ERROR); - return false; // error - } - - // set URI - g_object_set (G_OBJECT (mPlaybin), "uri", urlIn.c_str(), NULL); - //g_object_set (G_OBJECT (mPlaybin), "uri", "file:///tmp/movie", NULL); - - // navigateTo implicitly plays, too. - play(1.0); - - return true; -} - - -bool -MediaPluginGStreamer010::update(int milliseconds) -{ - if (!mDoneInit) - return false; // error - - DEBUGMSG("updating media..."); - - // sanity check - if (NULL == mPump || - NULL == mPlaybin) - { - DEBUGMSG("dead media..."); - return false; - } - - // see if there's an outstanding seek wanted - if (mSeekWanted && - // bleh, GST has to be happy that the movie is really truly playing - // or it may quietly ignore the seek (with rtsp:// at least). - (GST_STATE(mPlaybin) == GST_STATE_PLAYING)) - { - seek(mSeekDestination); - mSeekWanted = false; - } - - // *TODO: time-limit - but there isn't a lot we can do here, most - // time is spent in gstreamer's own opaque worker-threads. maybe - // we can do something sneaky like only unlock the video object - // for 'milliseconds' and otherwise hold the lock. - while (g_main_context_pending(g_main_loop_get_context(mPump))) - { - g_main_context_iteration(g_main_loop_get_context(mPump), FALSE); - } - - // check for availability of a new frame - - if (mVideoSink) - { - GST_OBJECT_LOCK(mVideoSink); - if (mVideoSink->retained_frame_ready) - { - DEBUGMSG("NEW FRAME READY"); - - if (mVideoSink->retained_frame_width != mCurrentWidth || - mVideoSink->retained_frame_height != mCurrentHeight) - // *TODO: also check for change in format - { - // just resize container, don't consume frame - int neww = mVideoSink->retained_frame_width; - int newh = mVideoSink->retained_frame_height; - - int newd = 4; - mTextureFormatPrimary = GL_RGBA; - mTextureFormatType = GL_UNSIGNED_INT_8_8_8_8_REV; - - /* - int newd = SLVPixelFormatBytes[mVideoSink->retained_frame_format]; - if (SLV_PF_BGRX == mVideoSink->retained_frame_format) - { - mTextureFormatPrimary = GL_BGRA; - mTextureFormatType = GL_UNSIGNED_INT_8_8_8_8_REV; - } - else - { - mTextureFormatPrimary = GL_RGBA; - mTextureFormatType = GL_UNSIGNED_INT_8_8_8_8_REV; - } - */ - - GST_OBJECT_UNLOCK(mVideoSink); - - mCurrentRowbytes = neww * newd; - DEBUGMSG("video container resized to %dx%d", - neww, newh); - - mDepth = newd; - mCurrentWidth = neww; - mCurrentHeight = newh; - sizeChanged(); - return true; - } - - if (mPixels && - mCurrentHeight <= mHeight && - mCurrentWidth <= mWidth && - !mTextureSegmentName.empty()) - { - // we're gonna totally consume this frame - reset 'ready' flag - mVideoSink->retained_frame_ready = FALSE; - int destination_rowbytes = mWidth * mDepth; - for (int row=0; row<mCurrentHeight; ++row) - { - memcpy(&mPixels - [destination_rowbytes * row], - &mVideoSink->retained_frame_data - [mCurrentRowbytes * row], - mCurrentRowbytes); - } - - GST_OBJECT_UNLOCK(mVideoSink); - DEBUGMSG("NEW FRAME REALLY TRULY CONSUMED, TELLING HOST"); - - setDirty(0,0,mCurrentWidth,mCurrentHeight); - } - else - { - // new frame ready, but we're not ready to - // consume it. - - GST_OBJECT_UNLOCK(mVideoSink); - - DEBUGMSG("NEW FRAME not consumed, still waiting for a shm segment and/or shm resize"); - } - - return true; - } - else - { - // nothing to do yet. - GST_OBJECT_UNLOCK(mVideoSink); - return true; - } - } - - return true; -} - - -void -MediaPluginGStreamer010::mouseDown( int x, int y ) -{ - // do nothing -} - -void -MediaPluginGStreamer010::mouseUp( int x, int y ) -{ - // do nothing -} - -void -MediaPluginGStreamer010::mouseMove( int x, int y ) -{ - // do nothing -} - - -bool -MediaPluginGStreamer010::pause() -{ - DEBUGMSG("pausing media..."); - // todo: error-check this? - if (mDoneInit && mPlaybin) - { - llgst_element_set_state(mPlaybin, GST_STATE_PAUSED); - return true; - } - return false; -} - -bool -MediaPluginGStreamer010::stop() -{ - DEBUGMSG("stopping media..."); - // todo: error-check this? - if (mDoneInit && mPlaybin) - { - llgst_element_set_state(mPlaybin, GST_STATE_READY); - return true; - } - return false; -} - -bool -MediaPluginGStreamer010::play(double rate) -{ - // NOTE: we don't actually support non-natural rate. - - DEBUGMSG("playing media... rate=%f", rate); - // todo: error-check this? - if (mDoneInit && mPlaybin) - { - llgst_element_set_state(mPlaybin, GST_STATE_PLAYING); - return true; - } - return false; -} - -bool -MediaPluginGStreamer010::setVolume( float volume ) -{ - // we try to only update volume as conservatively as - // possible, as many gst-plugins-base versions up to at least - // November 2008 have critical race-conditions in setting volume - sigh - if (mVolume == volume) - return true; // nothing to do, everything's fine - - mVolume = volume; - if (mDoneInit && mPlaybin) - { - g_object_set(mPlaybin, "volume", mVolume, NULL); - return true; - } - - return false; -} - -bool -MediaPluginGStreamer010::seek(double time_sec) -{ - bool success = false; - if (mDoneInit && mPlaybin) - { - success = llgst_element_seek(mPlaybin, 1.0F, GST_FORMAT_TIME, - GstSeekFlags(GST_SEEK_FLAG_FLUSH | - GST_SEEK_FLAG_KEY_UNIT), - GST_SEEK_TYPE_SET, gint64(time_sec*GST_SECOND), - GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE); - } - DEBUGMSG("MEDIA SEEK REQUEST to %fsec result was %d", - float(time_sec), int(success)); - return success; -} - -bool -MediaPluginGStreamer010::getTimePos(double &sec_out) -{ - bool got_position = false; - if (mDoneInit && mPlaybin) - { - gint64 pos; - GstFormat timefmt = GST_FORMAT_TIME; - got_position = - llgst_element_query_position && - llgst_element_query_position(mPlaybin, - &timefmt, - &pos); - got_position = got_position - && (timefmt == GST_FORMAT_TIME); - // GStreamer may have other ideas, but we consider the current position - // undefined if not PLAYING or PAUSED - got_position = got_position && - (GST_STATE(mPlaybin) == GST_STATE_PLAYING || - GST_STATE(mPlaybin) == GST_STATE_PAUSED); - if (got_position && !GST_CLOCK_TIME_IS_VALID(pos)) - { - if (GST_STATE(mPlaybin) == GST_STATE_PLAYING) - { - // if we're playing then we treat an invalid clock time - // as 0, for complicated reasons (insert reason here) - pos = 0; - } - else - { - got_position = false; - } - - } - // If all the preconditions succeeded... we can trust the result. - if (got_position) - { - sec_out = double(pos) / double(GST_SECOND); // gst to sec - } - } - return got_position; -} - -bool -MediaPluginGStreamer010::load() -{ - if (!mDoneInit) - return false; // error - - setStatus(STATUS_LOADING); - - DEBUGMSG("setting up media..."); - - mIsLooping = false; - mVolume = 0.1234567; // minor hack to force an initial volume update - - // Create a pumpable main-loop for this media - mPump = g_main_loop_new (NULL, FALSE); - if (!mPump) - { - setStatus(STATUS_ERROR); - return false; // error - } - - // instantiate a playbin element to do the hard work - mPlaybin = llgst_element_factory_make ("playbin", "play"); - if (!mPlaybin) - { - setStatus(STATUS_ERROR); - return false; // error - } - - // get playbin's bus - GstBus *bus = llgst_pipeline_get_bus (GST_PIPELINE (mPlaybin)); - if (!bus) - { - setStatus(STATUS_ERROR); - return false; // error - } - mBusWatchID = llgst_bus_add_watch (bus, - llmediaimplgstreamer_bus_callback, - this); - llgst_object_unref (bus); - -#if 0 // not quite stable/correct yet - // get a visualizer element (bonus feature!) - char* vis_name = getenv("LL_GST_VIS_NAME"); - if (!vis_name || - (vis_name && std::string(vis_name)!="none")) - { - if (vis_name) - { - mVisualizer = llgst_element_factory_make (vis_name, "vis"); - } - if (!mVisualizer) - { - mVisualizer = llgst_element_factory_make ("libvisual_jess", "vis"); - if (!mVisualizer) - { - mVisualizer = llgst_element_factory_make ("goom", "vis"); - if (!mVisualizer) - { - mVisualizer = llgst_element_factory_make ("libvisual_lv_scope", "vis"); - if (!mVisualizer) - { - // That's okay, we don't NEED this. - } - } - } - } - } -#endif - - if (NULL == getenv("LL_GSTREAMER_EXTERNAL")) { - // instantiate a custom video sink - mVideoSink = - GST_SLVIDEO(llgst_element_factory_make ("private-slvideo", "slvideo")); - if (!mVideoSink) - { - WARNMSG("Could not instantiate private-slvideo element."); - // todo: cleanup. - setStatus(STATUS_ERROR); - return false; // error - } - - // connect the pieces - g_object_set(mPlaybin, "video-sink", mVideoSink, NULL); - } - - if (mVisualizer) - { - g_object_set(mPlaybin, "vis-plugin", mVisualizer, NULL); - } - - return true; -} - -bool -MediaPluginGStreamer010::unload () -{ - if (!mDoneInit) - return false; // error - - DEBUGMSG("unloading media..."); - - // stop getting callbacks for this bus - g_source_remove(mBusWatchID); - mBusWatchID = 0; - - if (mPlaybin) - { - llgst_element_set_state (mPlaybin, GST_STATE_NULL); - llgst_object_unref (GST_OBJECT (mPlaybin)); - mPlaybin = NULL; - } - - if (mVisualizer) - { - llgst_object_unref (GST_OBJECT (mVisualizer)); - mVisualizer = NULL; - } - - if (mPump) - { - g_main_loop_quit(mPump); - mPump = NULL; - } - - mVideoSink = NULL; - - setStatus(STATUS_NONE); - - return true; -} - - -//static -bool -MediaPluginGStreamer010::startup() -{ - // first - check if GStreamer is explicitly disabled - if (NULL != getenv("LL_DISABLE_GSTREAMER")) - return false; - - // only do global GStreamer initialization once. - if (!mDoneInit) - { - g_thread_init(NULL); - - // Init the glib type system - we need it. - g_type_init(); - - // Get symbols! -#if LL_DARWIN - if (! grab_gst_syms("libgstreamer-0.10.dylib", - "libgstvideo-0.10.dylib") ) -#elseif LL_WINDOWS - if (! grab_gst_syms("libgstreamer-0.10.dll", - "libgstvideo-0.10.dll") ) -#else // linux or other ELFy unixoid - if (! grab_gst_syms("libgstreamer-0.10.so.0", - "libgstvideo-0.10.so.0") ) -#endif - { - WARNMSG("Couldn't find suitable GStreamer 0.10 support on this system - video playback disabled."); - return false; - } - - if (llgst_segtrap_set_enabled) - { - llgst_segtrap_set_enabled(FALSE); - } - else - { - WARNMSG("gst_segtrap_set_enabled() is not available; plugin crashes won't be caught."); - } - -#if LL_LINUX - // Gstreamer tries a fork during init, waitpid-ing on it, - // which conflicts with any installed SIGCHLD handler... - struct sigaction tmpact, oldact; - if (llgst_registry_fork_set_enabled) { - // if we can disable SIGCHLD-using forking behaviour, - // do it. - llgst_registry_fork_set_enabled(false); - } - else { - // else temporarily install default SIGCHLD handler - // while GStreamer initialises - tmpact.sa_handler = SIG_DFL; - sigemptyset( &tmpact.sa_mask ); - tmpact.sa_flags = SA_SIGINFO; - sigaction(SIGCHLD, &tmpact, &oldact); - } -#endif // LL_LINUX - - // Protect against GStreamer resetting the locale, yuck. - static std::string saved_locale; - saved_locale = setlocale(LC_ALL, NULL); - - // finally, try to initialize GStreamer! - GError *err = NULL; - gboolean init_gst_success = llgst_init_check(NULL, NULL, &err); - - // restore old locale - setlocale(LC_ALL, saved_locale.c_str() ); - -#if LL_LINUX - // restore old SIGCHLD handler - if (!llgst_registry_fork_set_enabled) - sigaction(SIGCHLD, &oldact, NULL); -#endif // LL_LINUX - - if (!init_gst_success) // fail - { - if (err) - { - WARNMSG("GST init failed: %s", err->message); - g_error_free(err); - } - else - { - WARNMSG("GST init failed for unspecified reason."); - } - return false; - } - - // Init our custom plugins - only really need do this once. - gst_slvideo_init_class(); - - mDoneInit = true; - } - - return true; -} - - -void -MediaPluginGStreamer010::sizeChanged() -{ - // the shared writing space has possibly changed size/location/whatever - - // Check to see whether the movie's NATURAL size has been set yet - if (1 == mNaturalWidth && - 1 == mNaturalHeight) - { - mNaturalWidth = mCurrentWidth; - mNaturalHeight = mCurrentHeight; - DEBUGMSG("Media NATURAL size better detected as %dx%d", - mNaturalWidth, mNaturalHeight); - } - - // if the size has changed then the shm has changed and the app needs telling - if (mCurrentWidth != mPreviousWidth || - mCurrentHeight != mPreviousHeight) - { - mPreviousWidth = mCurrentWidth; - mPreviousHeight = mCurrentHeight; - - LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "size_change_request"); - message.setValue("name", mTextureSegmentName); - message.setValueS32("width", mNaturalWidth); - message.setValueS32("height", mNaturalHeight); - DEBUGMSG("<--- Sending size change request to application with name: '%s' - natural size is %d x %d", mTextureSegmentName.c_str(), mNaturalWidth, mNaturalHeight); - sendMessage(message); - } -} - - - -//static -bool -MediaPluginGStreamer010::closedown() -{ - if (!mDoneInit) - return false; // error - - ungrab_gst_syms(); - - mDoneInit = false; - - return true; -} - -MediaPluginGStreamer010::~MediaPluginGStreamer010() -{ - DEBUGMSG("MediaPluginGStreamer010 destructor"); - - closedown(); - - DEBUGMSG("GStreamer010 closing down"); -} - - -std::string -MediaPluginGStreamer010::getVersion() -{ - std::string plugin_version = "GStreamer010 media plugin, GStreamer version "; - if (mDoneInit && - llgst_version) - { - guint major, minor, micro, nano; - llgst_version(&major, &minor, µ, &nano); - plugin_version += llformat("%u.%u.%u.%u (runtime), %u.%u.%u.%u (headers)", (unsigned int)major, (unsigned int)minor, (unsigned int)micro, (unsigned int)nano, (unsigned int)GST_VERSION_MAJOR, (unsigned int)GST_VERSION_MINOR, (unsigned int)GST_VERSION_MICRO, (unsigned int)GST_VERSION_NANO); - } - else - { - plugin_version += "(unknown)"; - } - return plugin_version; -} - -void MediaPluginGStreamer010::receiveMessage(const char *message_string) -{ - //std::cerr << "MediaPluginGStreamer010::receiveMessage: received message: \"" << message_string << "\"" << std::endl; - - LLPluginMessage message_in; - - if(message_in.parse(message_string) >= 0) - { - std::string message_class = message_in.getClass(); - std::string message_name = message_in.getName(); - if(message_class == LLPLUGIN_MESSAGE_CLASS_BASE) - { - if(message_name == "init") - { - LLPluginMessage message("base", "init_response"); - LLSD versions = LLSD::emptyMap(); - versions[LLPLUGIN_MESSAGE_CLASS_BASE] = LLPLUGIN_MESSAGE_CLASS_BASE_VERSION; - versions[LLPLUGIN_MESSAGE_CLASS_MEDIA] = LLPLUGIN_MESSAGE_CLASS_MEDIA_VERSION; - versions[LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME] = LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME_VERSION; - message.setValueLLSD("versions", versions); - - if ( load() ) - { - DEBUGMSG("GStreamer010 media instance set up"); - } - else - { - WARNMSG("GStreamer010 media instance failed to set up"); - } - - message.setValue("plugin_version", getVersion()); - sendMessage(message); - } - else if(message_name == "idle") - { - // no response is necessary here. - double time = message_in.getValueReal("time"); - - // Convert time to milliseconds for update() - update((int)(time * 1000.0f)); - } - else if(message_name == "cleanup") - { - unload(); - closedown(); - } - else if(message_name == "shm_added") - { - SharedSegmentInfo info; - info.mAddress = message_in.getValuePointer("address"); - info.mSize = (size_t)message_in.getValueS32("size"); - std::string name = message_in.getValue("name"); - - std::ostringstream str; - INFOMSG("MediaPluginGStreamer010::receiveMessage: shared memory added, name: %s, size: %d, address: %p", name.c_str(), int(info.mSize), info.mAddress); - - mSharedSegments.insert(SharedSegmentMap::value_type(name, info)); - } - else if(message_name == "shm_remove") - { - std::string name = message_in.getValue("name"); - - DEBUGMSG("MediaPluginGStreamer010::receiveMessage: shared memory remove, name = %s", name.c_str()); - - SharedSegmentMap::iterator iter = mSharedSegments.find(name); - if(iter != mSharedSegments.end()) - { - if(mPixels == iter->second.mAddress) - { - // This is the currently active pixel buffer. Make sure we stop drawing to it. - mPixels = NULL; - mTextureSegmentName.clear(); - - // Make sure the movie decoder is no longer pointed at the shared segment. - sizeChanged(); - } - mSharedSegments.erase(iter); - } - else - { - WARNMSG("MediaPluginGStreamer010::receiveMessage: unknown shared memory region!"); - } - - // Send the response so it can be cleaned up. - LLPluginMessage message("base", "shm_remove_response"); - message.setValue("name", name); - sendMessage(message); - } - else - { - std::ostringstream str; - INFOMSG("MediaPluginGStreamer010::receiveMessage: unknown base message: %s", message_name.c_str()); - } - } - else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA) - { - if(message_name == "init") - { - // Plugin gets to decide the texture parameters to use. - LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "texture_params"); - // lame to have to decide this now, it depends on the movie. Oh well. - mDepth = 4; - - mCurrentWidth = 1; - mCurrentHeight = 1; - mPreviousWidth = 1; - mPreviousHeight = 1; - mNaturalWidth = 1; - mNaturalHeight = 1; - mWidth = 1; - mHeight = 1; - mTextureWidth = 1; - mTextureHeight = 1; - - message.setValueU32("format", GL_RGBA); - message.setValueU32("type", GL_UNSIGNED_INT_8_8_8_8_REV); - - message.setValueS32("depth", mDepth); - message.setValueS32("default_width", mWidth); - message.setValueS32("default_height", mHeight); - message.setValueU32("internalformat", GL_RGBA8); - message.setValueBoolean("coords_opengl", true); // true == use OpenGL-style coordinates, false == (0,0) is upper left. - message.setValueBoolean("allow_downsample", true); // we respond with grace and performance if asked to downscale - sendMessage(message); - } - else if(message_name == "size_change") - { - std::string name = message_in.getValue("name"); - S32 width = message_in.getValueS32("width"); - S32 height = message_in.getValueS32("height"); - S32 texture_width = message_in.getValueS32("texture_width"); - S32 texture_height = message_in.getValueS32("texture_height"); - - std::ostringstream str; - INFOMSG("---->Got size change instruction from application with shm name: %s - size is %d x %d", name.c_str(), width, height); - - LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "size_change_response"); - message.setValue("name", name); - message.setValueS32("width", width); - message.setValueS32("height", height); - message.setValueS32("texture_width", texture_width); - message.setValueS32("texture_height", texture_height); - sendMessage(message); - - if(!name.empty()) - { - // Find the shared memory region with this name - SharedSegmentMap::iterator iter = mSharedSegments.find(name); - if(iter != mSharedSegments.end()) - { - INFOMSG("*** Got size change with matching shm, new size is %d x %d", width, height); - INFOMSG("*** Got size change with matching shm, texture size size is %d x %d", texture_width, texture_height); - - mPixels = (unsigned char*)iter->second.mAddress; - mTextureSegmentName = name; - mWidth = width; - mHeight = height; - - if (texture_width > 1 || - texture_height > 1) // not a dummy size from the app, a real explicit forced size - { - INFOMSG("**** = REAL RESIZE REQUEST FROM APP"); - - GST_OBJECT_LOCK(mVideoSink); - mVideoSink->resize_forced_always = true; - mVideoSink->resize_try_width = texture_width; - mVideoSink->resize_try_height = texture_height; - GST_OBJECT_UNLOCK(mVideoSink); - } - - mTextureWidth = texture_width; - mTextureHeight = texture_height; - } - } - } - else if(message_name == "load_uri") - { - std::string uri = message_in.getValue("uri"); - navigateTo( uri ); - sendStatus(); - } - else if(message_name == "mouse_event") - { - std::string event = message_in.getValue("event"); - S32 x = message_in.getValueS32("x"); - S32 y = message_in.getValueS32("y"); - - if(event == "down") - { - mouseDown(x, y); - } - else if(event == "up") - { - mouseUp(x, y); - } - else if(event == "move") - { - mouseMove(x, y); - }; - }; - } - else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME) - { - if(message_name == "stop") - { - stop(); - } - else if(message_name == "start") - { - double rate = 0.0; - if(message_in.hasValue("rate")) - { - rate = message_in.getValueReal("rate"); - } - // NOTE: we don't actually support rate. - play(rate); - } - else if(message_name == "pause") - { - pause(); - } - else if(message_name == "seek") - { - double time = message_in.getValueReal("time"); - // defer the actual seek in case we haven't - // really truly started yet in which case there - // is nothing to seek upon - mSeekWanted = true; - mSeekDestination = time; - } - else if(message_name == "set_loop") - { - bool loop = message_in.getValueBoolean("loop"); - mIsLooping = loop; - } - else if(message_name == "set_volume") - { - double volume = message_in.getValueReal("volume"); - setVolume(volume); - } - } - else - { - INFOMSG("MediaPluginGStreamer010::receiveMessage: unknown message class: %s", message_class.c_str()); - } - } -} - -int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data) -{ - if (MediaPluginGStreamer010::startup()) - { - MediaPluginGStreamer010 *self = new MediaPluginGStreamer010(host_send_func, host_user_data); - *plugin_send_func = MediaPluginGStreamer010::staticReceiveMessage; - *plugin_user_data = (void*)self; - - return 0; // okay - } - else - { - return -1; // failed to init - } -} - -#else // LL_GSTREAMER010_ENABLED - -// Stubbed-out class with constructor/destructor (necessary or windows linker -// will just think its dead code and optimize it all out) -class MediaPluginGStreamer010 : public MediaPluginBase -{ -public: - MediaPluginGStreamer010(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data); - ~MediaPluginGStreamer010(); - /* virtual */ void receiveMessage(const char *message_string); -}; - -MediaPluginGStreamer010::MediaPluginGStreamer010( - LLPluginInstance::sendMessageFunction host_send_func, - void *host_user_data ) : - MediaPluginBase(host_send_func, host_user_data) -{ - // no-op -} - -MediaPluginGStreamer010::~MediaPluginGStreamer010() -{ - // no-op -} - -void MediaPluginGStreamer010::receiveMessage(const char *message_string) -{ - // no-op -} - -// We're building without GStreamer enabled. Just refuse to initialize. -int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data) -{ - return -1; -} - -#endif // LL_GSTREAMER010_ENABLED |